The number 27029
27029 is a composite number with 4 divisors. Its prime factorisation is 151 × 179. Divisors (4): 1, 151, 179, 27029.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 27029: a semiprime: 151 × 179, the product of two primes.
- 2
27029 is composite. Its prime factorisation is
- 3
The divisors add up to 27360; without 27029 itself that is 331, so 27029 is deficient (331 is less than 27029). Euler's totient φ(27029) = 26700 numbers up to 27029 share no factor with it.
- 4
The digits of 27029 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 38 steps to reach 1.
LaTeX source of the formulas on this page
\[ 27029 = 151 \times 179 \]
27029 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 27360 |
| Euler totient φ(n) | 26700 |
| Square | 730566841 |
| Cube | 19746491145389 |
| Square root | 164.404988 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 38 |
| Scientific notation | 2.7029 × |
27029 in other forms
| Form | Value |
|---|---|
| In words | twenty-seven thousand and twenty-nine |
| Binary (base 2) | 110100110010101 |
| Octal (base 8) | 64625 |
| Hexadecimal (base 16) | 6995 |
| Base 3 | 1101002002 |
| As time | 27029 seconds = 7 h 30 min 29 s |
Is 27029 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 27029 a prime number?
No. 27029 = 151 × 179, so it is divisible by 151.
What are the factors of 27029?
1, 151, 179, 27029.
What is 27029 in binary?
110100110010101 (hexadecimal 6995, octal 64625).
What is the square root of 27029?
About 164.4050.
Is 27029 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 27029?
27029 is a semiprime: 151 × 179, the product of two primes.